YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.78 | d | 25.80 | 18.45 | 29.34 | i | ||
1989 | 13.26 | 17.39 | 31.32 | 39.34 | a | 42.84 | 50.79 | a | 59.35 | 53.61 | 48.00 | 36.68 | 28.03 | a | 19.58 | 36.68 | ||||||||||
1990 | 16.29 | 20.82 | 29.20 | a | 37.07 | 41.77 | 52.00 | 58.19 | 55.84 | 52.07 | 36.23 | 25.10 | 10.42 | 36.25 | ||||||||||||
1991 | 12.60 | a | 24.40 | c | 24.87 | 30.03 | a | 40.87 | 50.33 | 58.16 | 56.97 | 49.80 | 38.97 | a | 24.17 | 16.26 | 35.62 | |||||||||
1992 | 14.94 | 24.59 | 29.81 | 38.80 | 44.58 | 49.83 | 52.42 | 55.81 | 47.30 | 40.42 | 21.93 | 12.55 | 36.08 | |||||||||||||
1993 | 18.94 | 20.07 | 30.55 | 32.70 | 43.71 | 48.17 | 50.33 | g | 51.94 | 43.03 | 34.61 | 21.20 | 17.21 | b | 32.92 | a | ||||||||||
1994 | 21.00 | 17.29 | 31.77 | 35.03 | a | 44.84 | 54.83 | 60.13 | 57.29 | 47.40 | 36.06 | 20.77 | 18.52 | 37.08 | ||||||||||||
1995 | 17.39 | 26.86 | 27.10 | 29.27 | 36.15 | d | 44.30 | 53.41 | b | 55.00 | 46.38 | a | 31.82 | c | 26.83 | 18.97 | 34.46 | |||||||||
1996 | 13.38 | b | 16.56 | b | 24.58 | 29.38 | a | 38.74 | 51.57 | b | 56.72 | b | 54.69 | b | 42.50 | 33.32 | 26.97 | 17.87 | a | 33.86 | ||||||
1997 | 16.90 | a | 18.61 | 26.30 | a | 28.66 | a | 43.87 | 50.24 | a | 52.83 | a | 54.87 | ----- | z | ----- | z | 25.79 | a | 15.16 | 33.32 | b | ||||
1998 | 18.97 | 19.50 | 21.93 | c | 27.63 | 39.58 | 46.97 | 62.42 | 57.77 | 52.17 | 37.35 | e | 27.76 | a | 19.00 | a | 35.92 | |||||||||
1999 | 22.38 | b | 22.86 | 31.00 | a | 29.17 | 39.77 | a | 50.40 | 59.43 | a | 55.52 | 43.93 | 40.52 | 39.37 | 17.29 | 37.64 | |||||||||
2000 | 20.39 | 24.45 | 27.10 | a | 35.80 | 42.30 | a | 50.90 | a | 58.31 | b | 57.48 | 47.57 | 38.07 | a | 18.40 | 19.81 | 36.71 | ||||||||
2001 | 17.26 | 22.04 | a | 28.63 | a | 33.77 | 42.68 | 49.03 | a | 58.61 | 59.71 | 50.67 | 39.17 | a | 29.87 | 14.50 | a | 37.16 | ||||||||
2002 | 13.23 | a | 15.64 | 22.32 | c | 36.14 | a | 41.03 | 54.70 | 61.16 | 56.35 | 46.83 | 33.89 | c | 25.93 | 20.60 | a | 35.65 | ||||||||
2003 | 26.80 | a | 20.30 | a | 28.23 | a | 33.77 | d | 44.29 | 51.11 | b | 63.66 | b | 57.33 | a | 48.13 | 43.45 | b | 23.80 | 18.32 | c | 38.27 | ||||
2004 | 17.68 | 20.21 | 34.29 | 35.37 | 41.70 | a | 50.00 | a | 55.40 | k | 52.42 | 45.50 | b | 38.94 | 28.32 | b | 21.45 | 35.08 | a | |||||||
2005 | 26.87 | 25.61 | 28.34 | b | 34.80 | 44.20 | a | 48.87 | 60.97 | 55.23 | 49.63 | 40.77 | 30.07 | a | 20.23 | 38.80 | ||||||||||
2006 | 20.00 | 20.54 | 26.71 | 36.30 | 46.81 | 56.30 | 61.77 | 56.16 | 45.80 | 36.90 | 28.00 | 20.00 | 37.94 | |||||||||||||
2007 | 14.52 | 23.79 | 30.74 | 35.73 | 44.32 | 55.47 | 63.06 | 59.94 | 50.13 | 37.87 | 30.60 | 17.70 | k | 40.56 | a | |||||||||||
2008 | 12.79 | c | 18.90 | 20.82 | t | 35.93 | b | 42.84 | 53.27 | 62.58 | 60.42 | 51.60 | 42.79 | b | 35.86 | a | 30.89 | v | 41.70 | b | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 17.78 | 21.02 | 28.15 | 33.73 | 42.34 | 50.95 | 59.07 | 56.22 | 47.81 | 38.08 | 26.88 | 17.69 | 36.54 | |||||||||||||
S.D. | 4.26 | 3.20 | 3.24 | 3.53 | 2.49 | 2.94 | 3.43 | 2.27 | 2.90 | 3.31 | 4.82 | 2.85 | 1.36 | |||||||||||||
SKEW | 0.74 | 0.12 | -0.26 | -0.33 | -0.65 | -0.06 | -0.68 | 0.08 | -0.18 | 0.01 | 0.72 | -1.10 | -0.27 | |||||||||||||
MAX | 26.87 | 26.86 | 34.29 | 39.34 | 46.81 | 56.30 | 63.66 | 60.42 | 52.17 | 43.78 | 39.37 | 21.45 | 38.80 | |||||||||||||
MIN | 12.60 | 15.64 | 21.93 | 27.63 | 36.15 | 44.30 | 52.42 | 51.94 | 42.50 | 31.82 | 18.40 | 10.42 | 33.86 | |||||||||||||
YRS | 20 | 20 | 19 | 20 | 20 | 20 | 18 | 20 | 19 | 20 | 21 | 19 | 15 |